I've been streamlining my procedure for burning audio CDs, and I like
what I've come up with. Unfortunately, I'll never remember it on my
own, so here's a note to myself (any whoever else cares) on what to
do.

This assumes that all the files in your playlist are FLAC files,
which is a good idea (disk space is cheap, FLAC is lossless with good
open source support). It also assumes you've already stored
ReplayGain settings in your FLAC files. If you haven't, you'll get
warnings like:

WARNING: can't get track (or even album) ReplayGain tags

If that happens, go back and read about replay gain, add the tags,
and try again ;).

See my replay gain post for more details on the
--apply-replaygain-which-is-not-lossless option. After the decoding
step, you'll have a directory full of WAVs that have been normalized
to a standard track-level loudness. The bit about i and j ensures
that *.wav will list the tracks in the order in which they appear in
your playlist. Then burn the tracks to a CD using
cdrecord:

$ cdrecord -v speed=1 dev=/dev/cdrom -eject -dao -audio -pad *.wav

If you don't care about the order, use $(ls *.wav | shuf) instead of
*.wav.